コード例 #1
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_hyper_cache
 *
 * Purpose:	Reads values previously set with H5Pset_hyper_cache().
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Monday, September 21, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_hyper_cache(hid_t plist_id, unsigned *cache/*out*/,
		   unsigned *limit/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_hyper_cache, FAIL);
    H5TRACE3("e","ixx",plist_id,cache,limit);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Return values */
    if (cache)
        if (H5P_get(plist,H5D_XFER_HYPER_CACHE_NAME,cache)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if (limit)
        if (H5P_get(plist,H5D_XFER_HYPER_CACHE_LIM_NAME,limit)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #2
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_btree_ratios
 *
 * Purpose:	Queries B-tree split ratios.  See H5Pset_btree_ratios().
 *
 * Return:	Success:	Non-negative with split ratios returned through
 *				the non-null arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *              Monday, September 28, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_btree_ratios(hid_t plist_id, double *left/*out*/, double *middle/*out*/,
		    double *right/*out*/)
{
    double btree_split_ratio[3];        /* B-tree node split ratios */
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_btree_ratios, FAIL);
    H5TRACE4("e","ixxx",plist_id,left,middle,right);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get the split ratios */
    if (H5P_get(plist,H5D_XFER_BTREE_SPLIT_RATIO_NAME,&btree_split_ratio)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

    /* Get values */
    if (left)
        *left = btree_split_ratio[0];
    if (middle)
        *middle = btree_split_ratio[1];
    if (right)
        *right = btree_split_ratio[2];

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #3
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_buffer
 *
 * Purpose:	Reads values previously set with H5Pset_buffer().
 *
 * Return:	Success:	Buffer size.
 *
 *		Failure:	0
 *
 * Programmer:	Robb Matzke
 *              Monday, March 16, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
size_t
H5Pget_buffer(hid_t plist_id, void **tconv/*out*/, void **bkg/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    size_t size;                /* Type conversion buffer size */
    size_t ret_value;           /* Return value */

    FUNC_ENTER_API(H5Pget_buffer, 0);
    H5TRACE3("z","ixx",plist_id,tconv,bkg);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, 0, "can't find object for ID");

    /* Return values */
    if (tconv)
        if(H5P_get(plist, H5D_XFER_TCONV_BUF_NAME, tconv)<0)
            HGOTO_ERROR (H5E_PLIST, H5E_CANTGET, 0, "Can't get transfer type conversion buffer");
    if (bkg)
        if(H5P_get(plist, H5D_XFER_BKGR_BUF_NAME, bkg)<0)
            HGOTO_ERROR (H5E_PLIST, H5E_CANTGET, 0, "Can't get background type conversion buffer");

    /* Get the size */
    if(H5P_get(plist, H5D_XFER_MAX_TEMP_BUF_NAME, &size)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, 0, "Can't set transfer buffer size");

    /* Set the return value */
    ret_value=size;

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #4
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_btree_ratios
 *
 * Purpose:	Sets B-tree split ratios for a dataset transfer property
 *		list. The split ratios determine what percent of children go
 *		in the first node when a node splits.  The LEFT ratio is
 *		used when the splitting node is the left-most node at its
 *		level in the tree; the RIGHT ratio is when the splitting node
 *		is the right-most node at its level; and the MIDDLE ratio for
 *		all other cases.  A node which is the only node at its level
 *		in the tree uses the RIGHT ratio when it splits.  All ratios
 *		are real numbers between 0 and 1, inclusive.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *              Monday, September 28, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_btree_ratios(hid_t plist_id, double left, double middle,
		    double right)
{
    double split_ratio[3];        /* B-tree node split ratios */
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_btree_ratios, FAIL);
    H5TRACE4("e","iddd",plist_id,left,middle,right);

    /* Check arguments */
    if (left<0.0 || left>1.0 || middle<0.0 || middle>1.0 ||
            right<0.0 || right>1.0)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "split ratio must satisfy 0.0<=X<=1.0");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set values */
    split_ratio[0] = left;
    split_ratio[1] = middle;
    split_ratio[2] = right;

    /* Set the split ratios */
    if (H5P_set(plist,H5D_XFER_BTREE_SPLIT_RATIO_NAME,&split_ratio)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #5
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_istore_k
 *
 * Purpose:	IK is one half the rank of a tree that stores chunked raw
 *		data.  On average, such a tree will be 75% full, or have an
 *		average rank of 1.5 times the value of IK.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Tuesday, January  6, 1998
 *
 * Modifications:
 *
 *		Raymond Lu, Oct 14, 2001
 *		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_istore_k(hid_t plist_id, unsigned ik)
{
    unsigned btree_k[H5B_NUM_BTREE_ID];
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(H5Pset_istore_k, FAIL);
    H5TRACE2("e","iIu",plist_id,ik);

    /* Check arguments */
    if (ik == 0)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "istore IK value must be positive");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set value */
    if(H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, btree_k) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get rank for btree interanl nodes");
    btree_k[H5B_ISTORE_ID] = ik;
    if(H5P_set(plist, H5F_CRT_BTREE_RANK_NAME, btree_k) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set rank for btree interanl nodes");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #6
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_version
 *
 * Purpose:	Retrieves version information for various parts of a file.
 *
 *		SUPER:		The file super block.
 *		HEAP:		The global heap.
 *		FREELIST:	The global free list.
 *		STAB:		The root symbol table entry.
 *		SHHDR:		Shared object headers.
 *
 *		Any (or even all) of the output arguments can be null
 *		pointers.
 *
 * Return:	Success:	Non-negative, version information is returned
 *				through the arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 * 		Raymond Lu, Oct 14, 2001
 * 		Change to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_version(hid_t plist_id, unsigned *super/*out*/, unsigned *freelist/*out*/,
	       unsigned *stab/*out*/, unsigned *shhdr/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* Return value */

    FUNC_ENTER_API(H5Pget_version, FAIL);
    H5TRACE5("e","ixxxx",plist_id,super,freelist,stab,shhdr);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get values */
    if (super)
        if(H5P_get(plist, H5F_CRT_SUPER_VERS_NAME, super) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get superblock version");
    if (freelist)
        if(H5P_get(plist, H5F_CRT_FREESPACE_VERS_NAME, freelist) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get free-space version");
    if (stab)
        if(H5P_get(plist, H5F_CRT_OBJ_DIR_VERS_NAME, stab) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object directory version");
    if (shhdr)
        if(H5P_get(plist, H5F_CRT_SHARE_HEAD_VERS_NAME, shhdr) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get shared-header version");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #7
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_sizes
 *
 * Purpose:	Returns the size of address and size quantities stored in a
 *		file according to a file creation property list.  Either (or
 *		even both) SIZEOF_ADDR and SIZEOF_SIZE may be null pointers.
 *
 * Return:	Success:	Non-negative, sizes returned through arguments.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_sizes(hid_t plist_id,
	     size_t *sizeof_addr /*out */ , size_t *sizeof_size /*out */ )
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_sizes, FAIL);
    H5TRACE3("e","ixx",plist_id,sizeof_addr,sizeof_size);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get values */
    if (sizeof_addr)
        if(H5P_get(plist, H5F_CRT_ADDR_BYTE_NUM_NAME, sizeof_addr) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get byte number for an address");
    if (sizeof_size)
        if(H5P_get(plist, H5F_CRT_OBJ_BYTE_NUM_NAME, sizeof_size) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get byte number for object ");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #8
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_sym_k
 *
 * Purpose:	Retrieves the symbol table B-tree 1/2 rank (IK) and the
 *		symbol table leaf node 1/2 size (LK).  See H5Pset_sym_k() for
 *		details. Either (or even both) IK and LK may be null
 *		pointers.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 *		Raymond Lu
 *		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_sym_k(hid_t plist_id, unsigned *ik /*out */ , unsigned *lk /*out */ )
{
    unsigned btree_k[H5B_NUM_BTREE_ID];
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t      ret_value=SUCCEED;       /* Return value */

    FUNC_ENTER_API(H5Pget_sym_k, FAIL);
    H5TRACE3("e","ixx",plist_id,ik,lk);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get values */
    if (ik) {
        if(H5P_get(plist, H5F_CRT_BTREE_RANK_NAME, btree_k) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get rank for btree nodes");
        *ik = btree_k[H5B_SNODE_ID];
    }
    if (lk)
        if(H5P_get(plist, H5F_CRT_SYM_LEAF_NAME, lk) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get rank for symbol table leaf nodes");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #9
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_vlen_mem_manager
 *
 * Purpose:	The inverse of H5Pset_vlen_mem_manager()
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Thursday, July 1, 1999
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_vlen_mem_manager(hid_t plist_id, H5MM_allocate_t *alloc_func/*out*/,
			void **alloc_info/*out*/,
			H5MM_free_t *free_func/*out*/,
			void **free_info/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_vlen_mem_manager, FAIL);
    H5TRACE5("e","ixxxx",plist_id,alloc_func,alloc_info,free_func,free_info);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    if(alloc_func!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_ALLOC_NAME,alloc_func)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if(alloc_info!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_ALLOC_INFO_NAME,alloc_info)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if(free_func!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_FREE_NAME,free_func)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");
    if(free_info!=NULL)
        if (H5P_get(plist,H5D_XFER_VLEN_FREE_INFO_NAME,free_info)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #10
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_userblock
 *
 * Purpose:	Sets the userblock size field of a file creation property
 *		list.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Tuesday, January  6, 1998
 *
 * Modifications:
 *
 *		Raymond Lu, Oct 14, 2001
 * 		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_userblock(hid_t plist_id, hsize_t size)
{
    unsigned		    i;
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_userblock, FAIL);
    H5TRACE2("e","ih",plist_id,size);

    /* Check that the userblock size is a power of two */
    for (i=8; i<8*sizeof(hsize_t); i++) {
        hsize_t p2 = 8==i ? 0 : ((hsize_t)1<<i);

        if (size == p2)
            break;
    }
    if (i>=8*sizeof(hsize_t))
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "userblock size is not valid");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set value */
    if(H5P_set(plist, H5F_CRT_USER_BLOCK_NAME, &size) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set user block");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #11
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_buffer
 *
 * Purpose:	Given a dataset transfer property list, set the maximum size
 *		for the type conversion buffer and background buffer and
 *		optionally supply pointers to application-allocated buffers.
 *		If the buffer size is smaller than the entire amount of data
 *		being transfered between application and file, and a type
 *		conversion buffer or background buffer is required then
 *		strip mining will be used.
 *
 *		If TCONV and/or BKG are null pointers then buffers will be
 *		allocated and freed during the data transfer.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *              Monday, March 16, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_buffer(hid_t plist_id, hsize_t _size, void *tconv, void *bkg)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    size_t size=(size_t)_size;  /* Work around size difference */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_buffer, FAIL);
    H5TRACE4("e","ihxx",plist_id,_size,tconv,bkg);

    /* Check arguments */
    if (size<=0)
        HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "buffer size must not be zero");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    if(H5P_set(plist, H5D_XFER_MAX_TEMP_BUF_NAME, &size)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, FAIL, "Can't set transfer buffer size");
    if(H5P_set(plist, H5D_XFER_TCONV_BUF_NAME, &tconv)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, FAIL, "Can't set transfer type conversion buffer");
    if(H5P_set(plist, H5D_XFER_BKGR_BUF_NAME, &bkg)<0)
        HGOTO_ERROR (H5E_PLIST, H5E_CANTSET, FAIL, "Can't set background type conversion buffer");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #12
0
/*-------------------------------------------------------------------------
 * Function:    H5Pset_fapl_windows
 *
 * Purpose: Modify the file access property list to use the H5FD_WINDOWS
 *          driver defined in this source file.  There are no driver
 *          specific properties.
 *
 * NOTE: The Windows VFD was merely a merge of the SEC2 and STDIO drivers
 *       so it has been retired.  Selecting the Windows VFD will actually
 *       set the SEC2 VFD (though for backwards compatibility, we'll keep
 *       the H5FD_WINDOWS symbol).
 *
 *
 * Return:  Non-negative on success/Negative on failure
 *
 * Programmer:  Dana Robinson
 *              October 10, 2011
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_fapl_windows(hid_t fapl_id)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value;

    FUNC_ENTER_API(FAIL)
    H5TRACE1("e", "i", fapl_id);

    if(NULL == (plist = H5P_object_verify(fapl_id, H5P_FILE_ACCESS)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list")

    ret_value = H5P_set_driver(plist, H5FD_WINDOWS, NULL);

done:
    FUNC_LEAVE_API(ret_value)
} /* end H5Pset_fapl_windows() */
コード例 #13
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_userblock
 *
 * Purpose:	Queries the size of a user block in a file creation property
 *		list.
 *
 * Return:	Success:	Non-negative, size returned through SIZE argument.
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 *		Raymond Lu, Oct 14, 2001
 *		Changed to the new generic property list.
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_userblock(hid_t plist_id, hsize_t *size)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_userblock, FAIL);
    H5TRACE2("e","i*h",plist_id,size);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get value */
    if (size)
        if(H5P_get(plist, H5F_CRT_USER_BLOCK_NAME, size) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL,"can't get user block");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #14
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_hyper_vector_size
 *
 * Purpose:	Reads values previously set with H5Pset_hyper_vector_size().
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Monday, July 9, 2001
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pget_hyper_vector_size(hid_t plist_id, size_t *vector_size/*out*/)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pget_hyper_vector_size, FAIL);
    H5TRACE2("e","ix",plist_id,vector_size);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Return values */
    if (vector_size)
        if (H5P_get(plist,H5D_XFER_HYPER_VECTOR_SIZE_NAME,vector_size)<0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

done:
    FUNC_LEAVE_API(ret_value);
} /* end H5Pget_hyper_vector_size() */
コード例 #15
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_vlen_mem_manager
 *
 * Purpose:	Sets the memory allocate/free pair for VL datatypes.  The
 *		allocation routine is called when data is read into a new
 *		array and the free routine is called when H5Dvlen_reclaim is
 *		called.  The alloc_info and free_info are user parameters
 *		which are passed to the allocation and freeing functions
 *		respectively.  To reset the allocate/free functions to the
 *		default setting of using the system's malloc/free functions,
 *		call this routine with alloc_func and free_func set to NULL.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Thursday, July 1, 1999
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_vlen_mem_manager(hid_t plist_id, H5MM_allocate_t alloc_func,
        void *alloc_info, H5MM_free_t free_func, void *free_info)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_vlen_mem_manager, FAIL);
    H5TRACE5("e","ixxxx",plist_id,alloc_func,alloc_info,free_func,free_info);

    /* Check arguments */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset transfer property list");

    /* Update property list */
    if (H5P_set_vlen_mem_manager(plist,alloc_func,alloc_info,free_func,free_info)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set values");

done:
    FUNC_LEAVE_API(ret_value);
} /* end H5Pset_vlen_mem_manager() */
コード例 #16
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_preserve
 *
 * Purpose:	When reading or writing compound data types and the
 *		destination is partially initialized and the read/write is
 *		intended to initialize the other members, one must set this
 *		property to TRUE.  Otherwise the I/O pipeline treats the
 *		destination datapoints as completely uninitialized.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *              Tuesday, March 17, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_preserve(hid_t plist_id, hbool_t status)
{
    H5T_bkg_t need_bkg;         /* Value for background buffer type */
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_preserve, FAIL);
    H5TRACE2("e","ib",plist_id,status);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    need_bkg = status ? H5T_BKG_YES : H5T_BKG_NO;
    if (H5P_set(plist,H5D_XFER_BKGR_BUF_TYPE_NAME,&need_bkg)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #17
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_hyper_cache
 *
 * Purpose:	Given a dataset transfer property list, indicate whether to
 *		cache the hyperslab blocks during the I/O (which speeds
 *		things up) and the maximum size of the hyperslab block to
 *		cache.  If a block is smaller than to limit, it may still not
 *		be cached if no memory is available. Setting the limit to 0
 *		indicates no limitation on the size of block to attempt to
 *		cache.
 *
 *		The default is to cache blocks with no limit on block size
 *		for serial I/O and to not cache blocks for parallel I/O
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Monday, September 21, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_hyper_cache(hid_t plist_id, unsigned cache, unsigned limit)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;

    FUNC_ENTER_API(H5Pset_hyper_cache, FAIL);
    H5TRACE3("e","iIuIu",plist_id,cache,limit);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    cache = (cache>0) ? 1 : 0;
    if (H5P_set(plist,H5D_XFER_HYPER_CACHE_NAME,&cache)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "unable to set value");
    if (H5P_set(plist,H5D_XFER_HYPER_CACHE_LIM_NAME,&limit)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #18
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_hyper_vector_size
 *
 * Purpose:	Given a dataset transfer property list, set the number of
 *              "I/O vectors" (offset and length pairs) which are to be
 *              accumulated in memory before being issued to the lower levels
 *              of the library for reading or writing the actual data.
 *              Increasing the number should give better performance, but use
 *              more memory during hyperslab I/O.  The vector size must be
 *              greater than 1.
 *
 *		The default is to use 1024 vectors for I/O during hyperslab
 *              reading/writing.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Quincey Koziol
 *              Monday, July 9, 2001
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_hyper_vector_size(hid_t plist_id, size_t vector_size)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_hyper_vector_size, FAIL);
    H5TRACE2("e","iz",plist_id,vector_size);

    /* Check arguments */
    if (vector_size<1)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "vector size too small");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    if (H5P_set(plist,H5D_XFER_HYPER_VECTOR_SIZE_NAME,&vector_size)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
} /* end H5Pset_hyper_vector_size() */
コード例 #19
0
ファイル: H5Pfcpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_sizes
 *
 * Purpose:	Sets file size-of addresses and sizes.	PLIST_ID should be a
 *		file creation property list.  A value of zero causes the
 *		property to not change.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Tuesday, January  6, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_sizes(hid_t plist_id, size_t sizeof_addr, size_t sizeof_size)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_sizes, FAIL);
    H5TRACE3("e","izz",plist_id,sizeof_addr,sizeof_size);

    /* Check arguments */
    if (sizeof_addr) {
        if (sizeof_addr != 2 && sizeof_addr != 4 &&
                sizeof_addr != 8 && sizeof_addr != 16)
            HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "file haddr_t size is not valid");
    }
    if (sizeof_size) {
        if (sizeof_size != 2 && sizeof_size != 4 &&
                sizeof_size != 8 && sizeof_size != 16)
            HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "file size_t size is not valid");
    }

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_FILE_CREATE)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Set value */
    if (sizeof_addr)
        if(H5P_set(plist, H5F_CRT_ADDR_BYTE_NUM_NAME, &sizeof_addr) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set byte number for an address");
    if (sizeof_size)
        if(H5P_set(plist, H5F_CRT_OBJ_BYTE_NUM_NAME, &sizeof_size) < 0)
            HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set byte number for object ");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #20
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_preserve
 *
 * Purpose:	The inverse of H5Pset_preserve()
 *
 * Return:	Success:	TRUE or FALSE
 *
 *		Failure:	Negative
 *
 * Programmer:	Robb Matzke
 *              Tuesday, March 17, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
H5Pget_preserve(hid_t plist_id)
{
    H5T_bkg_t need_bkg;         /* Background value */
    H5P_genplist_t *plist;      /* Property list pointer */
    int ret_value;              /* return value */

    FUNC_ENTER_API(H5Pget_preserve, FAIL);
    H5TRACE1("Is","i",plist_id);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Get value */
    if (H5P_get(plist,H5D_XFER_BKGR_BUF_TYPE_NAME,&need_bkg)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get value");

    /* Set return value */
    ret_value= need_bkg ? TRUE : FALSE;

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #21
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_filter_callback
 *
 * Purpose:     Sets user's callback function for dataset transfer property
 *              list.  This callback function defines what user wants to do
 *              if certain filter fails.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Raymond Lu
 *              Jan 14, 2003
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_filter_callback(hid_t plist_id, H5Z_filter_func_t func, void *op_data)
{
    H5P_genplist_t      *plist;      /* Property list pointer */
    herr_t              ret_value=SUCCEED;   /* return value */
    H5Z_cb_t            cb_struct;

    FUNC_ENTER_API(H5Pset_filter_callback, FAIL);
    H5TRACE3("e","ixx",plist_id,func,op_data);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    cb_struct.func = func;
    cb_struct.op_data = op_data;

    if (H5P_set(plist,H5D_XFER_FILTER_CB_NAME,&cb_struct)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #22
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pget_edc_check
 *
 * Purpose:     Enable or disable error-detecting for a dataset reading
 *              process.  This error-detecting algorithm is whichever
 *              user chooses earlier.  This function cannot control
 *              writing process.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Raymond Lu
 *              Jan 3, 2003
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
H5Z_EDC_t
H5Pget_edc_check(hid_t plist_id)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    H5Z_EDC_t      ret_value;   /* return value */

    FUNC_ENTER_API(H5Pget_edc_check, H5Z_ERROR_EDC);
    H5TRACE1("Ze","i",plist_id);

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, H5Z_ERROR_EDC, "can't find object for ID");

    /* Update property list */
    if (H5P_get(plist,H5D_XFER_EDC_NAME,&ret_value)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, H5Z_ERROR_EDC, "unable to set value");

    /* check valid value */
    if (ret_value != H5Z_ENABLE_EDC && ret_value != H5Z_DISABLE_EDC)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_ERROR_EDC, "not a valid value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #23
0
ファイル: H5Pdxpl.c プロジェクト: MattNapsAlot/rHDF5
/*-------------------------------------------------------------------------
 * Function:	H5Pset_edc_check
 *
 * Purpose:     Enable or disable error-detecting for a dataset reading
 *              process.  This error-detecting algorithm is whichever
 *              user chooses earlier.  This function cannot control
 *              writing process.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Raymond Lu
 *              Jan 3, 2003
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5Pset_edc_check(hid_t plist_id, H5Z_EDC_t check)
{
    H5P_genplist_t *plist;      /* Property list pointer */
    herr_t ret_value=SUCCEED;   /* return value */

    FUNC_ENTER_API(H5Pset_edc_check, FAIL);
    H5TRACE2("e","iZe",plist_id,check);

    /* Check argument */
    if (check != H5Z_ENABLE_EDC && check != H5Z_DISABLE_EDC)
        HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a valid value");

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_XFER)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");

    /* Update property list */
    if (H5P_set(plist,H5D_XFER_EDC_NAME,&check)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "unable to set value");

done:
    FUNC_LEAVE_API(ret_value);
}
コード例 #24
0
ファイル: H5Lexternal.c プロジェクト: MichaelToal/hdf5
/*-------------------------------------------------------------------------
 * Function:	H5L_extern_traverse
 *
 * Purpose:	Default traversal function for external links. This can
 *              be overridden using H5Lregister().
 *
 *              Given a filename and path packed into the link udata,
 *              attempts to open an object within an external file.
 *              If the H5L_ELINK_PREFIX_NAME property is set in the
 *              link access property list, appends that prefix to the
 *              filename being opened.
 *
 * Return:	ID of the opened object on success/Negative on failure
 *
 * Programmer:	James Laird
 *              Monday, July 10, 2006
 * Modifications:
 *		Vailin Choi, April 2, 2008
 *		Add handling to search for the target file
 *		See description in RM: H5Lcreate_external
 *
 *		Vailin Choi; Sept. 12th, 2008; bug #1247
 *		Retrieve the file access property list identifer that is set
 *		for link access property via H5Pget_elink_fapl().
 *		If the return value is H5P_DEFAULT, the parent's file access
 *		property is used to H5F_open() the target file;
 *		Otherwise, the file access property retrieved from H5Pget_elink_fapl()
 *		is used to H5F_open() the target file.
 *
 *		Vailin Choi; Nov 2010
 *		Free memory pointed to by tmp_env_prefix for HDF5_EXT_PREFIX case.
 *
 *-------------------------------------------------------------------------
 */
static hid_t
H5L_extern_traverse(const char H5_ATTR_UNUSED *link_name, hid_t cur_group,
    const void *_udata, size_t H5_ATTR_UNUSED udata_size, hid_t lapl_id)
{
    H5P_genplist_t *plist;              /* Property list pointer */
    char       *my_prefix;              /* Library's copy of the prefix */
    H5G_loc_t   root_loc;               /* Location of root group in external file */
    H5G_loc_t   loc;                    /* Location of object */
    H5F_t	*ext_file = NULL;	/* File struct for external file */
    const uint8_t *p = (const uint8_t *)_udata;  /* Pointer into external link buffer */
    const char *file_name;              /* Name of file containing external link's object */
    char *full_name = NULL;             /* File name with prefix */
    const char  *obj_name;              /* Name external link's object */
    size_t      fname_len;              /* Length of external link file name */
    unsigned    intent;                 /* File access permissions */
    H5L_elink_cb_t cb_info;             /* Callback info struct */
    hid_t       fapl_id = -1;           /* File access property list for external link's file */
    hid_t       ext_obj = -1;           /* ID for external link's object */
    char        *parent_group_name = NULL;/* Temporary pointer to group name */
    char        local_group_name[H5L_EXT_TRAVERSE_BUF_SIZE];  /* Local buffer to hold group name */
    char        *temp_file_name = NULL; /* Temporary pointer to file name */
    size_t      temp_file_name_len;     /* Length of temporary file name */
    char        *actual_file_name = NULL; /* Parent file's actual name */
    H5P_genplist_t  *fa_plist;          /* File access property list pointer */
    H5F_close_degree_t 	fc_degree = H5F_CLOSE_WEAK;  /* File close degree for target file */
    hid_t       ret_value;              /* Return value */

    FUNC_ENTER_NOAPI(FAIL)

    /* Sanity checks */
    HDassert(p);

    /* Check external link version & flags */
    if(((*p >> 4) & 0x0F) > H5L_EXT_VERSION)
        HGOTO_ERROR(H5E_LINK, H5E_CANTDECODE, FAIL, "bad version number for external link")
    if((*p & 0x0F) & ~H5L_EXT_FLAGS_ALL)
        HGOTO_ERROR(H5E_LINK, H5E_CANTDECODE, FAIL, "bad flags for external link")
    p++;

    /* Gather some information from the external link's user data */
    file_name = (const char *)p;
    fname_len = HDstrlen(file_name);
    obj_name = (const char *)p + fname_len + 1;

    /* Get the plist structure */
    if(NULL == (plist = H5P_object_verify(lapl_id, H5P_LINK_ACCESS)))
        HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")

    /* Get the fapl_id set for lapl_id if any */
    if(H5P_get(plist, H5L_ACS_ELINK_FAPL_NAME, &fapl_id) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get fapl for links")

    /* Get the location for the group holding the external link */
    if(H5G_loc(cur_group, &loc) < 0)
        HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't get object location")

    /* get the access flags set for lapl_id if any */
    if(H5P_get(plist, H5L_ACS_ELINK_FLAGS_NAME, &intent) < 0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get elink file access flags")

    /* get the file access mode flags for the parent file, if they were not set
     * on lapl_id */
    if(intent == H5F_ACC_DEFAULT)
        intent = H5F_INTENT(loc.oloc->file);

    if((fapl_id == H5P_DEFAULT) && ((fapl_id = H5F_get_access_plist(loc.oloc->file, FALSE)) < 0))
	HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't get parent's file access property list")

    /* Get callback_info */
    if(H5P_get(plist, H5L_ACS_ELINK_CB_NAME, &cb_info)<0)
        HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get elink callback info")

    /* Get file access property list */
    if(NULL == (fa_plist = H5P_object_verify(fapl_id, H5P_FILE_ACCESS)))
	HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")

    /* Make callback if it exists */
    if(cb_info.func) {
        const char  *parent_file_name;  /* Parent file name */
        ssize_t group_name_len;         /* Length of parent group name */

        /* Get parent file name */
        parent_file_name = H5F_OPEN_NAME(loc.oloc->file);

        /* Query length of parent group name */
        if((group_name_len = H5G_get_name(&loc, NULL, (size_t) 0, NULL, lapl_id, H5AC_ind_dxpl_id)) < 0)
            HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "unable to retrieve length of group name")

        /* Account for null terminator */
        group_name_len++;

        /* Check if we need to allocate larger buffer */
        if((size_t)group_name_len > sizeof(local_group_name)) {
            if(NULL == (parent_group_name = (char *)H5MM_malloc((size_t)group_name_len)))
                HGOTO_ERROR(H5E_LINK, H5E_CANTALLOC, FAIL, "can't allocate buffer to hold group name, group_name_len = %Zu", group_name_len)
        } /* end if */
        else
            parent_group_name = local_group_name;

        /* Get parent group name */
        if(H5G_get_name(&loc, parent_group_name, (size_t) group_name_len, NULL, lapl_id, H5AC_ind_dxpl_id) < 0)
            HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "unable to retrieve group name")

        /* Make callback */
        if((cb_info.func)(parent_file_name, parent_group_name, file_name, obj_name, &intent, fapl_id, cb_info.user_data) < 0)
            HGOTO_ERROR(H5E_LINK, H5E_CALLBACK, FAIL, "traversal operator failed")

        /* Check access flags */
        if((intent & H5F_ACC_TRUNC) || (intent & H5F_ACC_EXCL))
            HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file open flags")
    } /* end if */